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path: root/drivers/media/platform/sunxi/sun8i-di
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Diffstat (limited to 'drivers/media/platform/sunxi/sun8i-di')
-rw-r--r--drivers/media/platform/sunxi/sun8i-di/sun8i-di.c69
1 files changed, 35 insertions, 34 deletions
diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
index aa65d70b6..7a2f558c9 100644
--- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
+++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
@@ -66,6 +66,7 @@ static void deinterlace_device_run(void *priv)
struct vb2_v4l2_buffer *src, *dst;
unsigned int hstep, vstep;
dma_addr_t addr;
+ int i;
src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
@@ -160,6 +161,26 @@ static void deinterlace_device_run(void *priv)
deinterlace_write(dev, DEINTERLACE_CH1_HORZ_FACT, hstep);
deinterlace_write(dev, DEINTERLACE_CH1_VERT_FACT, vstep);
+ /* neutral filter coefficients */
+ deinterlace_set_bits(dev, DEINTERLACE_FRM_CTRL,
+ DEINTERLACE_FRM_CTRL_COEF_ACCESS);
+ readl_poll_timeout(dev->base + DEINTERLACE_STATUS, val,
+ val & DEINTERLACE_STATUS_COEF_STATUS, 2, 40);
+
+ for (i = 0; i < 32; i++) {
+ deinterlace_write(dev, DEINTERLACE_CH0_HORZ_COEF0 + i * 4,
+ DEINTERLACE_IDENTITY_COEF);
+ deinterlace_write(dev, DEINTERLACE_CH0_VERT_COEF + i * 4,
+ DEINTERLACE_IDENTITY_COEF);
+ deinterlace_write(dev, DEINTERLACE_CH1_HORZ_COEF0 + i * 4,
+ DEINTERLACE_IDENTITY_COEF);
+ deinterlace_write(dev, DEINTERLACE_CH1_VERT_COEF + i * 4,
+ DEINTERLACE_IDENTITY_COEF);
+ }
+
+ deinterlace_clr_set_bits(dev, DEINTERLACE_FRM_CTRL,
+ DEINTERLACE_FRM_CTRL_COEF_ACCESS, 0);
+
deinterlace_clr_set_bits(dev, DEINTERLACE_FIELD_CTRL,
DEINTERLACE_FIELD_CTRL_FIELD_CNT_MSK,
DEINTERLACE_FIELD_CTRL_FIELD_CNT(ctx->field));
@@ -248,7 +269,6 @@ static irqreturn_t deinterlace_irq(int irq, void *data)
static void deinterlace_init(struct deinterlace_dev *dev)
{
u32 val;
- int i;
deinterlace_write(dev, DEINTERLACE_BYPASS,
DEINTERLACE_BYPASS_CSC);
@@ -284,27 +304,7 @@ static void deinterlace_init(struct deinterlace_dev *dev)
deinterlace_clr_set_bits(dev, DEINTERLACE_CHROMA_DIFF,
DEINTERLACE_CHROMA_DIFF_TH_MSK,
- DEINTERLACE_CHROMA_DIFF_TH(5));
-
- /* neutral filter coefficients */
- deinterlace_set_bits(dev, DEINTERLACE_FRM_CTRL,
- DEINTERLACE_FRM_CTRL_COEF_ACCESS);
- readl_poll_timeout(dev->base + DEINTERLACE_STATUS, val,
- val & DEINTERLACE_STATUS_COEF_STATUS, 2, 40);
-
- for (i = 0; i < 32; i++) {
- deinterlace_write(dev, DEINTERLACE_CH0_HORZ_COEF0 + i * 4,
- DEINTERLACE_IDENTITY_COEF);
- deinterlace_write(dev, DEINTERLACE_CH0_VERT_COEF + i * 4,
- DEINTERLACE_IDENTITY_COEF);
- deinterlace_write(dev, DEINTERLACE_CH1_HORZ_COEF0 + i * 4,
- DEINTERLACE_IDENTITY_COEF);
- deinterlace_write(dev, DEINTERLACE_CH1_VERT_COEF + i * 4,
- DEINTERLACE_IDENTITY_COEF);
- }
-
- deinterlace_clr_set_bits(dev, DEINTERLACE_FRM_CTRL,
- DEINTERLACE_FRM_CTRL_COEF_ACCESS, 0);
+ DEINTERLACE_CHROMA_DIFF_TH(31));
}
static inline struct deinterlace_ctx *deinterlace_file2ctx(struct file *file)
@@ -931,11 +931,18 @@ static int deinterlace_runtime_resume(struct device *device)
return ret;
}
+ ret = reset_control_deassert(dev->rstc);
+ if (ret) {
+ dev_err(dev->dev, "Failed to apply reset\n");
+
+ goto err_exclusive_rate;
+ }
+
ret = clk_prepare_enable(dev->bus_clk);
if (ret) {
dev_err(dev->dev, "Failed to enable bus clock\n");
- goto err_exclusive_rate;
+ goto err_rst;
}
ret = clk_prepare_enable(dev->mod_clk);
@@ -952,23 +959,16 @@ static int deinterlace_runtime_resume(struct device *device)
goto err_mod_clk;
}
- ret = reset_control_deassert(dev->rstc);
- if (ret) {
- dev_err(dev->dev, "Failed to apply reset\n");
-
- goto err_ram_clk;
- }
-
deinterlace_init(dev);
return 0;
-err_ram_clk:
- clk_disable_unprepare(dev->ram_clk);
err_mod_clk:
clk_disable_unprepare(dev->mod_clk);
err_bus_clk:
clk_disable_unprepare(dev->bus_clk);
+err_rst:
+ reset_control_assert(dev->rstc);
err_exclusive_rate:
clk_rate_exclusive_put(dev->mod_clk);
@@ -979,11 +979,12 @@ static int deinterlace_runtime_suspend(struct device *device)
{
struct deinterlace_dev *dev = dev_get_drvdata(device);
- reset_control_assert(dev->rstc);
-
clk_disable_unprepare(dev->ram_clk);
clk_disable_unprepare(dev->mod_clk);
clk_disable_unprepare(dev->bus_clk);
+
+ reset_control_assert(dev->rstc);
+
clk_rate_exclusive_put(dev->mod_clk);
return 0;